atom_size);
goto error_out;
}
- fseeko(infile, -ATOM_PREAMBLE_SIZE, SEEK_CUR);
- if (fread(ftyp_atom, atom_size, 1, infile) != 1) {
+ if ( fseeko(infile, -ATOM_PREAMBLE_SIZE, SEEK_CUR)
+ || fread(ftyp_atom, atom_size, 1, infile) != 1
+ || (start_offset = ftello(infile))<0) {
perror(argv[1]);
goto error_out;
}
- start_offset = ftello(infile);
} else {
+ int ret;
/* 64-bit special case */
if (atom_size == 1) {
if (fread(atom_bytes, ATOM_PREAMBLE_SIZE, 1, infile) != 1) {
break;
}
atom_size = BE_64(&atom_bytes[0]);
- fseeko(infile, atom_size - ATOM_PREAMBLE_SIZE * 2, SEEK_CUR);
+ ret = fseeko(infile, atom_size - ATOM_PREAMBLE_SIZE * 2, SEEK_CUR);
} else {
- fseeko(infile, atom_size - ATOM_PREAMBLE_SIZE, SEEK_CUR);
+ ret = fseeko(infile, atom_size - ATOM_PREAMBLE_SIZE, SEEK_CUR);
+ }
+ if(ret) {
+ perror(argv[1]);
+ goto error_out;
}
}
printf("%c%c%c%c %10"PRIu64" %"PRIu64"\n",
/* moov atom was, in fact, the last atom in the chunk; load the whole
* moov atom */
- fseeko(infile, -atom_size, SEEK_END);
+ if (fseeko(infile, -atom_size, SEEK_END)) {
+ perror(argv[1]);
+ goto error_out;
+ }
last_offset = ftello(infile);
moov_atom_size = atom_size;
moov_atom = malloc(moov_atom_size);
}
if (start_offset > 0) { /* seek after ftyp atom */
- fseeko(infile, start_offset, SEEK_SET);
+ if (fseeko(infile, start_offset, SEEK_SET)) {
+ perror(argv[1]);
+ goto error_out;
+ }
+
last_offset -= start_offset;
}
bytes_to_copy = FFMIN(COPY_BUFFER_SIZE, last_offset);
copy_buffer = malloc(bytes_to_copy);
if (!copy_buffer) {
- printf("could not allocate %"PRIu64" bytes for copy_buffer\n", bytes_to_copy);
+ printf("could not allocate %d bytes for copy_buffer\n", bytes_to_copy);
goto error_out;
}
printf(" copying rest of file...\n");